Replacing with a 180F thermostat (pros & cons?) - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat

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Old 08-16-2006, 01:32 PM   #11
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Originally Posted by wjcollier07
Originally Posted by Widetrack Pontiac
how easy is it to replace the therm.? What if i ran a 180 in the summer and switched back to the 195 in the winter?
I am not sure how hard it would be to do on the L36, but it sure is easy on an LN3. But I DO KNOW that you are heading in the right direction with that because that would most likely prevent premature UIM failure.
Well, I don't really know about that as the wearing down of the UIM happens around the EGR port. It'* the heat from the EGR that makes the plastic brittle.
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Old 08-16-2006, 04:21 PM   #12
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I had said this a million times...

It depends on the climate you are in... I live in FL... Its warm year round here... a 180F will work fine for me..

If you live in a climate that is frigid a chunk of the year you may want to use a 180F during the warm months and go back to a 195 for the cooler months... But that all depends on the person and what they want to do...

You should see how wimpy the radiator is on a 3800 powered car without HD cooling... Its a Joke...

I ran a deadset 180F all the way up here... And still knocked off 30Mpg with my foot bending the floor board

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